CN2604167Y - Electric wheeled chair wheel-frame mechanism with auxiliary wheels - Google Patents

Electric wheeled chair wheel-frame mechanism with auxiliary wheels Download PDF

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Publication number
CN2604167Y
CN2604167Y CNU032405715U CN03240571U CN2604167Y CN 2604167 Y CN2604167 Y CN 2604167Y CN U032405715 U CNU032405715 U CN U032405715U CN 03240571 U CN03240571 U CN 03240571U CN 2604167 Y CN2604167 Y CN 2604167Y
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CN
China
Prior art keywords
wheel frame
auxiliary wheel
car body
main vehicle
frame
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Expired - Lifetime
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CNU032405715U
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Chinese (zh)
Inventor
伍必翔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PI HSIANG MACHINERY Manufacturing Co
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PI HSIANG MACHINERY Manufacturing Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to TW92203064U priority Critical patent/TW574915U/en
Application filed by PI HSIANG MACHINERY Manufacturing Co filed Critical PI HSIANG MACHINERY Manufacturing Co
Priority to CNU032405715U priority patent/CN2604167Y/en
Priority to US10/699,267 priority patent/US7175193B2/en
Priority to NL1025306A priority patent/NL1025306C2/en
Priority to LU91055A priority patent/LU91055B1/en
Priority to FR0450215A priority patent/FR2851731B1/en
Priority to DE202004001909U priority patent/DE202004001909U1/en
Priority to NO20040609A priority patent/NO329358B1/en
Priority to IT000066A priority patent/ITTO20040066A1/en
Priority to BE2004/0076A priority patent/BE1015900A3/en
Priority to GB0403203A priority patent/GB2399552B/en
Application granted granted Critical
Publication of CN2604167Y publication Critical patent/CN2604167Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/04Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
    • A61G5/041Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven having a specific drive-type
    • A61G5/043Mid wheel drive
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/06Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10Parts, details or accessories
    • A61G5/1078Parts, details or accessories with shock absorbers or other suspension arrangements between wheels and frame
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S180/00Motor vehicles
    • Y10S180/907Motorized wheelchairs

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Handcart (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

Provided is a motor-wheelchair wheel frame mechanism with assistant wheels. The utility model is mainly composed by a pivoted main wheel frame, a front and a rear assistant wheel frame which can be deformed by twisting. The twisting support assembly of the assistant wheel frame can support the wheelchair body more stably. A swing roller is even arranged between the main wheel frame and the front assistant wheel frame. The collocation between the twisting support assembly, the swing roller assembly and the pivoted main wheel, the wheelchair body of the utility model can automatically adjust the main wheelchair frame and the assistant wheelchair frame, while going uphill and downhill, and will not affect the wheelchair balance due togoing uphill and downhill. Therefore, the utility model is a motor-wheelchair wheel frame mechanism with higher stability, higher safety, and better comfort.

Description

The electric wheelchair wheel carrier mechanism of tool auxiliary wheel
Technical field
This utility model is about a kind of electric wheelchair wheel carrier mechanism of tool auxiliary wheel.
Background technology
The common now car of riding instead of walk, electronic auxiliary car, electric wheel-chair vehicle etc., for action inconvenient older, sufferer, it has been most important running vehicle among the life, comprising indoor activity, outdoor action, travel, board etc., all is the function of present electric wheel-chair vehicle (car of riding instead of walk, electronic auxiliary car);
The conventional electric wheel Wheel-chair (car of riding instead of walk, electronic auxiliary car) the orthogonal body frame structure for automotive kenel of the general one-tenth of body construction, see also (No. 370866 case of national patent announcement) shown in Figure 1, it is before a rectangle frame 10, rear end side disposes the front wheel carrier 11 of tool wheel, the rear wheel frame 12 of tool wheel, and group is established power wheel carrier 13 power wheel carriers 13 and is comprised dynamic wheel between front wheel carrier 11 and rear wheel frame 12, each group is provided with a compression spring 14 on this front wheel carrier 11 and power wheel carrier 13 in addition, utilize this compression spring 14 can allow this front wheel carrier 11 produce and be subjected to force compresses with power wheel carrier 13, elastic force is upheld the effect that resets, and adapts to this, descending start and the running of various landform; Though this conventional electric wheelchair vehicle carriage structural design can meet basic wheel Wheel-chair function, but after the actual further investigation of the present utility model people, find, its wheelchair vehicle carriage structure is in stability, safety in utilization and take suitable restriction and deficiency are all arranged on the comfortableness, has in fact and is further broken through the necessity that improves; At this defective that traditional vehicle shelf structure faced is illustrated in down item by item:
One, with regard to stability, traditional rectangular vehicle frame 10 is to utilize to compress the effect that spring 14 generations are resetted by force compresses, elastic force extension, but the elastic force that compresses spring 14 not only can make front wheel carrier 11 and power wheel carrier 13 reset, and its elastic force can allow rectangle frame 10 generations beat; With occupant's angle, a continuous dancing electric wheel-chair vehicle and unstable, the occupant is older and sufferer still more, the harmony on the health is originally just relatively poor, is not fit to take unsettled electric wheel-chair vehicle like this;
They are two years old, with regard to safe in utilization, though traditional rectangular vehicle frame 10 utilizes compression spring 14 to compress, extension resets, but there is no the member that matches between this front wheel carrier 11 and the power wheel carrier 13, so this front wheel carrier 11 is not subjected to force compresses with 13 of power wheel carriers, the extension work that resets, add that its rear wheel frame 12 can't shrink, cause rectangle frame 10 to turn forward with the start of each wheel carrier, swing, on often, travelling of descending, center of gravity can often significantly swing forward, not only have the danger of overturning, the older and the sufferer that more are not suitable for the body harmony difference are used:
They are three years old, with regard to comfortableness, the market competition of electric wheel-chair vehicle (car of riding instead of walk, electronic auxiliary car) is very fierce at present, and riding comfort is exactly the essential condition that consumer is selected, but the degree of stability of commonly using rectangle frame 10 still has very big difference from ideal state, and riding comfort more forms the actively major subjects of research and development of present electric wheel-chair vehicle dealer;
In sum, if the car body degree of stability of electric wheel-chair vehicle can be ridden instead of walk car, electronic auxiliary car, safety and comfort level promote, then this product will become the successful commodity on the market, and can meet the actual demand of consumer.
Novel content
One of the purpose of this utility model, be to provide a kind of electric wheelchair wheel carrier mechanism of tool auxiliary wheel, the torsion support group of this utility model auxiliary wheel frame can more stably support car body, and more design between main vehicle wheel frame and the preceding auxiliary wheel frame swing roller is arranged, the collocation of utilization torsion support group, swing roller set and pivot group master vehicle wheel frame, this utility model car body can cooperate upper and lower slope to regulate main vehicle wheel frame and auxiliary wheel frame voluntarily; By this, riding stability and safety are regulated in the visual actual demand of this utility model car body automatically.
Two of the purpose of this utility model, be to provide a kind of electric wheelchair wheel carrier mechanism of tool auxiliary wheel, but this utility model supports car body by the torsion support group of torsion distortion, this torsion support group has higher answer stability than spring, can not produce the problem of elasticity concussion, so that stability of the present utility model is commonly used is better.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of electric wheelchair wheel carrier mechanism of tool auxiliary wheel comprises that a car body, two main vehicle wheel frames, four torsion support group, two preceding auxiliary wheel frames, two swing roller set and two back auxiliary wheel frames constitute, and is characterized in that:
This car body, a rectangle frame, system is provided with left and right symmetric pivoted hole on this car body;
This main vehicle wheel frame be provided with power motor and power wheel in back segment system, and this main vehicle wheel frame stage casing correspondence is articulated in the pivoted hole of this car body, and this main vehicle wheel frame front end convexedly stretches in this car body the place ahead in addition, and is provided with a connecting hole in main vehicle wheel frame front end system;
This torsion support group, group is located at this car body front and back ends;
Auxiliary wheel frame before being somebody's turn to do, its front end is with auxiliary wheel before articulating, pro-auxiliary wheel frame rear end then is convexly equipped with a torsion bar, this torsion bar is mounted in this torsion support group, the pro-auxiliary wheel frame is provided with a connecting hole near the position system of pivot seat in addition, and this connecting hole is corresponding to the connecting hole of this main vehicle wheel frame front end;
This swings roller set, combine by two rocking bars, a roller bearing and a roller, this rocking bar offers a strip hole, the relative pivot group of this strip hole one end is on the connecting hole of this main vehicle wheel frame, the then relative pivot group of the strip hole other end is on the connecting hole of this preceding auxiliary wheel frame, this roller housing is located at outside the roller bearing in addition, and this roller bearing slidably is hubbed at the strip hole stage casing of two rocking bars;
This back auxiliary wheel frame, its front end articulate a back auxiliary wheel, and the auxiliary wheel frame front end then is provided with a torsion bar in the back, and torsion bar is mounted in this torsion support group.
This torsion support group, by a barrier part and most stop block is fixed forms, this barrier part is located at forward and backward two ends of this car body by two two relative spiral shells, the then corresponding inwall that is cemented in this barrier part of this stop block, and between each stop block of same barrier part, be formed with symmetric space; And should before the torsion bar end face system of auxiliary wheel frame and back auxiliary wheel frame be provided with screw, and torsion bar is forced to fill in the symmetric space of this torsion support group, and is fixed at a capping on the screw of torsion bar end face.Be formed with symmetrical square space between this each stop block of torsion support group; And the torsion bar that is somebody's turn to do preceding auxiliary wheel frame and back auxiliary wheel frame also is symmetric square torsion bar.This main vehicle wheel frame is a bent system bridge.
The use the beneficial effects of the utility model are: but the front and back auxiliary wheel frame of the main vehicle wheel frame torsion distortion by the pivot group combines, the torsion support group of this auxiliary wheel frame can more stably support car body, and more design between main vehicle wheel frame and the preceding auxiliary wheel frame swing roller is arranged, the collocation of utilization torsion support group, swing roller set and pivot group master vehicle wheel frame, this utility model car body can cooperate upper and lower slope to regulate main vehicle wheel frame and auxiliary wheel frame voluntarily, can not influence the car body balance because of upper and lower slope.
Description of drawings
Fig. 1 commonly uses the user mode sketch map of car body.
The exploded perspective view of Fig. 2 this utility model car body.
The schematic side view of Fig. 3 this utility model car body.
The upward slope user mode sketch map of Fig. 4 this utility model car body.
The descending user mode sketch map of Fig. 5 this utility model car body.
The figure number explanation
Rectangle frame 10 front wheel carriers 11
Rear wheel frame 12 power wheel carriers 13
Compression spring 14
Car body 20 lugs 21
Pivoted hole 211
Main vehicle wheel frame 30 power motors 31
Line shaft 32 power wheels 321
Pivot hole 33 pivots 34
Connecting hole 35
Torsion support group 40 barrier parts 41
Stop block 42 square spaces 43
Preceding auxiliary wheel frame 50 pivot seats 51
Preceding auxiliary wheel 511 square torsion bars 52
Screw 521 cappings 522
Connecting hole 53
Swing roller set 60 rocking bars 61
Strip hole 611 roller bearings 62
Roller 63 screws 64
Nut 65
Back auxiliary wheel frame 70 pivot seats 71
Back auxiliary wheel 711 square torsion bars 72
Screw 721 cappings 722
The specific embodiment
About this utility model for reaching above-mentioned purpose, the technology that is adopted, means and other effect, enumerate a preferable possible embodiments below and cooperate graphic detailed description as after, believe the above-mentioned purpose of this utility model, feature and other advantage, when can by one deeply and concrete understanding; Certainly, present embodiment is not that this utility model scope must be as the criterion with claim in order to restriction this utility model;
At first please cooperate and consult Fig. 2, shown in Figure 3, the electric wheelchair frame mechanism of a kind of tool auxiliary wheel that this utility model embodiment is provided, it is mainly by auxiliary wheel frames 50, two swing roller set 60 and 70 constitutors of two back auxiliary wheel frames before the main vehicle wheel frame of a car body 20, two 30, four torsion support group 40, two, wherein:
These car body 20, one rectangle frames, system is provided with left and right symmetric lug 21 on the vehicle frame of this car body 20, and this lug 21 is between car body 20 forward and backward two ends, and each system is provided with a pivoted hole 211 on this lug 21;
This main vehicle wheel frame 30, one bent system bridge, be provided with power motor 31 and line shaft 32 in main vehicle wheel frame 30 back segment systems, this line shaft 32 drives a power wheel 321, and these main vehicle wheel frame 30 stage casings are provided with pivot hole 33 to lug 21 systems that should car body 20, and wear the pivoted hole 211 of this pivot hole 33 and lug 21 with pivot 34 pivots, these main vehicle wheel frame 30 front ends convexedly stretch in this car body 20 the place aheads in addition, and are provided with a connecting hole 35 in main vehicle wheel frame 30 front end systems;
This torsion support group 40, by a barrier part 41 and most stop block 42 fixed forming, this barrier part 41 is located at forward and backward two ends of this car body 20 by two two relative spiral shells, the then corresponding inwall that is cemented in this barrier part 41 of this stop block 42, and between each stop block 42 of same barrier part 41, be formed with symmetric square space 43;
Auxiliary wheel frame 50 before being somebody's turn to do, auxiliary wheel 511 before its front end articulates one with pivot seat 51, pro-auxiliary wheel frame 50 rear ends then vertically convex with a square torsion bar 52, and be provided with screw 521 in square torsion bar 52 end face systems, above-mentioned two torsion support group 40 are positioned at car body 20 front ends in the square space 43 of this torsion support group 40 and this square torsion bar 52 is forced to fill in, and be fixed on the screw 521 with a capping 522, pro-auxiliary wheel frame 50 is provided with a connecting hole 53 near the position system of pivot seat 51 in addition, and the position of this connecting hole 53 is corresponding to the connecting hole 35 of these main vehicle wheel frame 30 front ends;
This swings roller set 60, combine by two rocking bars 61, a roller bearing 62 and a roller 63, offer a strip hole 611 on this rocking bar 61, the strip hole 611 upper ends system utilization screw 64 of two rocking bars 61, nut 65 pivot groups are on the connecting hole 35 of this main vehicle wheel frame 30, strip hole 611 lower ends of two rocking bars 61 then use screw 64, nut 65 pivot groups equally on the connecting hole 53 of this preceding auxiliary wheel frame 50, this roller 63 is set in outside the roller bearing 62 in addition, and this roller bearing 62 cooperates nut 65 to be hubbed at strip hole 611 stage casings of two rocking bars 61;
This back auxiliary wheel frame 70, its front end articulates a back auxiliary wheel 711 with pivot seat 71, auxiliary wheel frame 70 front ends then vertically convex with a square torsion bar 72 in the back, and be provided with screw 721 in square torsion bar 72 end face systems, and this square torsion bar 72 is forced to fill in that above-mentioned two torsion support group 40 are positioned at car body 20 rear ends in the square space 43 of this torsion support group 40, and be fixed on the screw 721 with a capping 722; The above, be the general introduction of each assembly relevant position of the present utility model and structure thereof, by the ingenious arrangement of above-mentioned architectural feature and its mutual relation position, then, please cooperate the mutual cooperation principle between following each member again is to take off projects before reaching this utility model.
See also shown in Figure 4, when this utility model goes up a slope running, the preceding auxiliary wheel 511 of auxiliary wheel frame 50 is owing to be positioned at higher upward slope place before being somebody's turn to do, so preceding auxiliary wheel 511 can be subjected to bigger upward pressure amount, at this moment, this square torsion bar 52 can be turned round most stop blocks 42 stop blocks 42 distortion that push away this torsion support group 40 and hold power, auxiliary wheel frame 50 slightly revolves the page according to Fig. 4 clockwise before making, but this main vehicle wheel frame 30 there is no pressure to be changed, so these swing roller set 60 2 rocking bars 61 can revolve by the counterclockwise pivot of beginning, at the same time, these rocking bar 61 meeting collocation rollers 63, strip hole 611 carries out swing, and it passes to pressure main vehicle wheel frame 30 front ends in the lump, by cooperating of the pivoted hole 211 of these main vehicle wheel frame 30 stage casing pivots 34 and lug 21, the rear end power wheel 321 of this main vehicle wheel frame 30 will be accepted the preceding auxiliary wheel 511 pressure clockwise direction strength of part, the rising of auxiliary wheel 511 can not cause car body 20 front ends to be inclined upwardly before making, but cooperate the power wheel 321 of this main vehicle wheel frame 30 that car body 20 is upwards steadily promoted, when so this utility model goes up a slope start, should all can slightly revolve clockwise with main vehicle wheel frame 30 by preceding auxiliary wheel frame 50, and this car body 20 can steadily present and slightly rises state, and can not form inclination as car body in the past.
Revolve by the time up to this roller 63 to opposite side, auxiliary wheel frame 50 is subjected to big lifting position variation uphill gradient greatly before the expression, and the pressure of preceding auxiliary wheel 511 can more positively pass to before the main vehicle wheel frame 30 auxiliary wheel frames 50 and main vehicle wheel frame 30 as one, so upward slope of the present utility model action is understood with gradient modulation voluntarily.
See also shown in Figure 5, when this utility model descending operates, the preceding auxiliary wheel 511 of auxiliary wheel frame 50 is positioned at low descending place before being somebody's turn to do, at this moment, this square torsion bar 52 can be turned round most stop blocks 42 stop blocks 42 distortion that push away this torsion support group 40 and hold power, auxiliary wheel frame 50 slightly revolves the page according to Fig. 5 counterclockwise before making, but this main vehicle wheel frame 30 there is no pressure to be changed, so these swing roller set 60 2 rocking bars 61 can revolve by the clockwise pivot of beginning, at the same time, these rocking bar 61 meeting collocation rollers 63, strip hole 611 carries out swing, and it gives main vehicle wheel frame 30 front ends with Stress Transfer in the lump, by cooperating of the pivoted hole 211 of these main vehicle wheel frame 30 stage casing pivots 34 and lug 21, the rear end power wheel 321 of this main vehicle wheel frame 30 will be subjected to anticlockwise strength, the decline of auxiliary wheel 511 can not cause car body 20 front ends downward-sloping before making, but cooperate the power wheel 321 of this main vehicle wheel frame 30 that car body 20 is steadily slightly fallen downwards, when so this utility model carries out the descending start, should all can slightly revolve counterclockwise with main vehicle wheel frame 30 by preceding auxiliary wheel frame 50, and this car body 20 can steadily present the state that slightly falls, and can be not downward-sloping as car body formation in the past.
When preceding auxiliary wheel frame 50 is pulled in roller 63 2 sides with main vehicle wheel frame 30 folders, auxiliary wheel frame 50 is subjected to bigger down position variation downward grades greatly before the expression, and by folder pull localized roller 63 will make before the pressure of auxiliary wheel 511 more positively pass to before the main vehicle wheel frame 30 auxiliary wheel frames 50 and main vehicle wheel frame 30 as one, so move also can be with gradient modulation voluntarily for descending of the present utility model.
What deserves to be mentioned is,,, keep stationarity of the present utility model, safety and comfortableness so most stop blocks 42 of rear end torsion support group 40 also can cooperate car body 20 liftings because this back auxiliary wheel frame 70 has torsion support group 40 equally; In addition, because torsion support group 40 is to hold power with stop block 42 to reply, and the power of holding of stop block 42 only limits to recover deformation, can't produce excessive response force, the reciprocal running of torsion support group 40 can not produced beat.
In sum, the disclosed structure of this utility model embodiment, but the front and back auxiliary wheel frame by the main vehicle wheel frame torsion distortion of pivot group combines, the torsion support group of this auxiliary wheel frame can more stably support car body, and more design between main vehicle wheel frame and the preceding auxiliary wheel frame swing roller is arranged, the collocation of utilization torsion support group, swing roller set and pivot group master vehicle wheel frame, this utility model car body can cooperate upper and lower slope to regulate main vehicle wheel frame and auxiliary wheel frame voluntarily, can not influence the car body balance because of upper and lower slope.

Claims (4)

1. the electric wheelchair wheel carrier mechanism of a tool auxiliary wheel comprises that auxiliary wheel frames before a car body, two main vehicle wheel frames, four the torsion support group, two, two swing roller set and two back auxiliary wheel frames constitute, and is characterized in that:
This car body, a rectangle frame, system is provided with left and right symmetric pivoted hole on this car body;
This main vehicle wheel frame be provided with power motor and power wheel in back segment system, and this main vehicle wheel frame stage casing correspondence is articulated in the pivoted hole of this car body, and this main vehicle wheel frame front end convexedly stretches in this car body the place ahead in addition, and is provided with a connecting hole in main vehicle wheel frame front end system;
This torsion support group, group is located at this car body front and back ends;
Auxiliary wheel frame before being somebody's turn to do, its front end is with auxiliary wheel before articulating, pro-auxiliary wheel frame rear end then is convexly equipped with a torsion bar, this torsion bar is mounted in this torsion support group, the pro-auxiliary wheel frame is provided with a connecting hole near the position system of pivot seat in addition, and this connecting hole is corresponding to the connecting hole of this main vehicle wheel frame front end;
This swings roller set, combine by two rocking bars, a roller bearing and a roller, this rocking bar offers a strip hole, the relative pivot group of this strip hole one end is on the connecting hole of this main vehicle wheel frame, the then relative pivot group of the strip hole other end is on the connecting hole of this preceding auxiliary wheel frame, this roller housing is located at outside the roller bearing in addition, and this roller bearing slidably is hubbed at the strip hole stage casing of two rocking bars;
This back auxiliary wheel frame, its front end articulate a back auxiliary wheel, and the auxiliary wheel frame front end then is provided with a torsion bar in the back, and torsion bar is mounted in this torsion support group.
2. according to the electric wheelchair wheel carrier mechanism of the described tool auxiliary wheel of claim 1, it is characterized in that, this torsion support group, by a barrier part and most stop block is fixed forms, this barrier part is located at forward and backward two ends of this car body by two two relative spiral shells, the then corresponding inwall that is cemented in this barrier part of this stop block, and between each stop block of same barrier part, be formed with symmetric space; And should before the torsion bar end face system of auxiliary wheel frame and back auxiliary wheel frame be provided with screw, and torsion bar is forced to fill in the symmetric space of this torsion support group, and is fixed at a capping on the screw of torsion bar end face.
3. according to the electric wheelchair wheel carrier mechanism of the described tool auxiliary wheel of claim 2, it is characterized in that, be formed with symmetrical square space between this each stop block of torsion support group; And the torsion bar that is somebody's turn to do preceding auxiliary wheel frame and back auxiliary wheel frame also is symmetric square torsion bar.
4. according to the electric wheelchair wheel carrier mechanism of the described tool auxiliary wheel of claim 1, it is characterized in that this main vehicle wheel frame is a bent system bridge.
CNU032405715U 2003-02-27 2003-03-13 Electric wheeled chair wheel-frame mechanism with auxiliary wheels Expired - Lifetime CN2604167Y (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
TW92203064U TW574915U (en) 2003-02-27 2003-02-27 Mechanism of wheel frame for electric wheelchair with auxiliary wheel
CNU032405715U CN2604167Y (en) 2003-02-27 2003-03-13 Electric wheeled chair wheel-frame mechanism with auxiliary wheels
US10/699,267 US7175193B2 (en) 2003-02-27 2003-10-31 Wheel bracket mechanism for an electric wheelchair equipped with auxiliary wheels
NL1025306A NL1025306C2 (en) 2003-02-27 2004-01-22 Wheel support mechanism for an electric wheelchair equipped with auxiliary wheels.
LU91055A LU91055B1 (en) 2003-02-27 2004-01-23 Wheel swivel arm fastening mechanism for an electric wheelchair with auxiliary wheels
FR0450215A FR2851731B1 (en) 2003-02-27 2004-02-05 WHEEL SUPPORT MECHANISM FOR AN ELECTRIC ROAD CHAIR EQUIPPED WITH AUXILIARY WHEELS
DE202004001909U DE202004001909U1 (en) 2003-02-27 2004-02-09 Electric wheelchair chassis with auxiliary wheels
NO20040609A NO329358B1 (en) 2003-02-27 2004-02-10 Wheelchair mechanism for electric wheelchair equipped with auxiliary wheels.
IT000066A ITTO20040066A1 (en) 2003-02-27 2004-02-10 WHEEL SUPPORT MECHANISM FOR AN ELECTRIC WHEELCHAIR EQUIPPED WITH AUXILIARY WHEELS
BE2004/0076A BE1015900A3 (en) 2003-02-27 2004-02-10 Wheel support mechanism for electric wheelchair, has oscillating sets disposed between caster supports and drive wheel supports, and four support sets equipped with shock absorbing stops placed on two sides of front and rear ends of frame
GB0403203A GB2399552B (en) 2003-02-27 2004-02-13 A wheel bracket mechanism for an electric wheelchair equipped with auxiliary wheels

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW92203064U TW574915U (en) 2003-02-27 2003-02-27 Mechanism of wheel frame for electric wheelchair with auxiliary wheel
CNU032405715U CN2604167Y (en) 2003-02-27 2003-03-13 Electric wheeled chair wheel-frame mechanism with auxiliary wheels

Publications (1)

Publication Number Publication Date
CN2604167Y true CN2604167Y (en) 2004-02-25

Family

ID=40202035

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU032405715U Expired - Lifetime CN2604167Y (en) 2003-02-27 2003-03-13 Electric wheeled chair wheel-frame mechanism with auxiliary wheels

Country Status (11)

Country Link
US (1) US7175193B2 (en)
CN (1) CN2604167Y (en)
BE (1) BE1015900A3 (en)
DE (1) DE202004001909U1 (en)
FR (1) FR2851731B1 (en)
GB (1) GB2399552B (en)
IT (1) ITTO20040066A1 (en)
LU (1) LU91055B1 (en)
NL (1) NL1025306C2 (en)
NO (1) NO329358B1 (en)
TW (1) TW574915U (en)

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CN108926440A (en) * 2018-08-31 2018-12-04 东莞威信运动用品有限公司 wheelchair frame
CN110236810A (en) * 2019-06-17 2019-09-17 南京林业大学 A kind of electric wheelchair convenient for obstacle detouring
CN110497758A (en) * 2019-08-28 2019-11-26 南京先能光电科技有限公司 A kind of vehicle of mid-wheel drive
CN113397849A (en) * 2021-07-21 2021-09-17 崔守明 Medical surgery is with climbing wheelchair equipment of being good for again

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TW583968U (en) * 2003-06-13 2004-04-11 Pihsiang Machinery Mfg Co Ltd Suspension structure of independent front guide wheel for wheelchair
TWM244070U (en) * 2003-08-13 2004-09-21 Pihsiang Machinery Mfg Co Ltd Suspending structure for a wheelchair
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